private bool Upload(string fileName)
{
bool result = false;
foreach (Control ctl in flowLayoutPanel1.Controls)
{
if (ctl.Name == Path.GetFileNameWithoutExtension(fileName))
{
_currentControl = ctl as UploadControl;
if (_currentControl.InvokeRequired)
{
Action actionDelegate = () =>
{
if (_currentControl.IsPause)
{
return;
}
result = true;
_currentControl.SetState(UploadState.Uploading);
backgroundWorker1.RunWorkerAsync(fileName);
};
// 或者
// Action<string> actionDelegate = delegate(string txt) { this.label2.Text = txt; };
_currentControl.Invoke(actionDelegate);
}
break;
}
}
return(result);
}
private void AddQueue(string t)
{
_fileNames.Enqueue(t);
UploadControl control = new UploadControl();
control.FileName = (flowLayoutPanel1.Controls.Count + 1) + "." + Path.GetFileNameWithoutExtension(t);
control.Width = flowLayoutPanel1.Width;
control.Dock = DockStyle.Top;
control.Name = Path.GetFileNameWithoutExtension(t);
control.OnPauseChanged += control_OnPauseChanged;
flowLayoutPanel1.Controls.Add(control);
}
private void control_OnPauseChanged(object sender, EventArgs e)
{
UploadControl control = sender as UploadControl;
if (control == _currentControl)
{
bool isPause = control.IsPause;
if (isPause)
{
manualReset.Reset();
control.SetState(UploadState.Pause);
}
else
{
manualReset.Set();
control.SetState(UploadState.Uploading);
}
}
}